A beautiful brass tube and a chrome steel ball is displayed to the audience. The ball is demonstrated to be too large to fit through the tube. As the ball rests on top of the tube however, the ball slowly begins to "melt" its way down into the tube and the upwards back out of the tube again. The ball and tube can be handed out for examination. This model is completely self-contained, has a locking feature, and there is nothing to palm away as with conventional Ball and Tube tricks. This is a precision made piece of apparatus. 008MM0401